Year % of male population 1960 17.3240328274121 1961 17.548702348659 1962 17.8281972433777 1963 18.0811940087306 1964 18.2562206824532 1965 18.3938468005138 1966 18.4836729154959 1967 18.5725586274298 1968 18.6980194433338 1969 18.8253431659574 1970 18.9561470867908 1971 19.0816416919182 1972 19.1558172229911 1973 19.1709640485008 1974 19.1255497161517 1975 19.0441817315751 1976 19.0388798618585 1977 19.1064079565833 1978 19.1947195061533 1979 19.3000588606049 1980 19.3985355179036 1981 19.4649273428944 1982 19.5045950302724 1983 19.3906858502242 1984 19.1630858326524 1985 19.046573971448 1986 19.0403394840439 1987 19.2327985110443 1988 19.5999054391359 1989 19.9151040316113 1990 20.122414081911 1991 20.2565469122011 1992 20.2587652972075 1993 20.1656529368177 1994 20.0834889422085 1995 19.9705347459074 1996 19.8178491596616 1997 19.6931451114316 1998 19.577574678006 1999 19.4361549431844 2000 19.2852188184317 2001 19.1147031481164 2002 18.929903325885 2003 18.7350193228157 2004 18.5277641778744 2005 18.3264063430397 2006 18.1167573771503 2007 17.881171841321 2008 17.6355521407453 2009 17.3620077188901 2010 17.0527232742566 2011 16.7341815671096 2012 16.4031437247973 2013 16.0673853351885 2014 15.7693793856024 2015 15.527820673211 2016 15.3323599819542 2017 15.1881575077047 2018 15.1116477762387 2019 15.091868806392 2020 15.0816888366547 2021 15.0505958015651 2022 14.9953537562616 2023 14.9032904741556